1 files changed, 56 insertions, 7 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index eee23ecd118a..1baca8e4715d 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -75,7 +75,19 @@ static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 	freq = centers.synth_center;
 
 	if (freq < 4800) {     /* 2 GHz, fractional mode */
-		if (AR_SREV_9485(ah)) {
+		if (AR_SREV_9330(ah)) {
+			u32 chan_frac;
+			u32 div;
+
+			if (ah->is_clk_25mhz)
+				div = 75;
+			else
+				div = 120;
+
+			channelSel = (freq * 4) / div;
+			chan_frac = (((freq * 4) % div) * 0x20000) / div;
+			channelSel = (channelSel << 17) | chan_frac;
+		} else if (AR_SREV_9485(ah)) {
 			u32 chan_frac;
 
 			/*
@@ -104,7 +116,7 @@ static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 			u32 chan_frac;
 
 			channelSel = (freq * 2) / 75;
-			chan_frac = ((freq % 75) * 0x20000) / 75;
+			chan_frac = (((freq * 2) % 75) * 0x20000) / 75;
 			channelSel = (channelSel << 17) | chan_frac;
 		} else {
 			channelSel = CHANSEL_5G(freq);
@@ -168,7 +180,7 @@ static void ar9003_hw_spur_mitigate_mrc_cck(struct ath_hw *ah,
 	 * is out-of-band and can be ignored.
 	 */
 
-	if (AR_SREV_9485(ah) || AR_SREV_9340(ah)) {
+	if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah)) {
 		spur_fbin_ptr = ar9003_get_spur_chan_ptr(ah,
 							 IS_CHAN_2GHZ(chan));
 		if (spur_fbin_ptr[0] == 0) /* No spur */
@@ -193,7 +205,7 @@ static void ar9003_hw_spur_mitigate_mrc_cck(struct ath_hw *ah,
 
 	for (i = 0; i < max_spur_cnts; i++) {
 		negative = 0;
-		if (AR_SREV_9485(ah) || AR_SREV_9340(ah))
+		if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah))
 			cur_bb_spur = FBIN2FREQ(spur_fbin_ptr[i],
 					IS_CHAN_2GHZ(chan)) - synth_freq;
 		else
@@ -659,6 +671,9 @@ static int ar9003_hw_process_ini(struct ath_hw *ah,
 		REG_WRITE_ARRAY(&ah->iniModesAdditional,
 				modesIndex, regWrites);
 
+	if (AR_SREV_9300(ah))
+		REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites);
+
 	if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
 		REG_WRITE_ARRAY(&ah->iniModesAdditional_40M, 1, regWrites);
 
@@ -1074,7 +1089,10 @@ static void ar9003_hw_set_nf_limits(struct ath_hw *ah)
 {
 	ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_2GHZ;
 	ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9300_2GHZ;
-	ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9300_2GHZ;
+	if (AR_SREV_9330(ah))
+		ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9330_2GHZ;
+	else
+		ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9300_2GHZ;
 	ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_5GHZ;
 	ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9300_5GHZ;
 	ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9300_5GHZ;
@@ -1196,8 +1214,17 @@ static void ar9003_hw_antdiv_comb_conf_get(struct ath_hw *ah,
 				 AR_PHY_9485_ANT_DIV_ALT_LNACONF_S;
 	antconf->fast_div_bias = (regval & AR_PHY_9485_ANT_FAST_DIV_BIAS) >>
 				  AR_PHY_9485_ANT_FAST_DIV_BIAS_S;
-	antconf->lna1_lna2_delta = -9;
-	antconf->div_group = 2;
+
+	if (AR_SREV_9330_11(ah)) {
+		antconf->lna1_lna2_delta = -9;
+		antconf->div_group = 1;
+	} else if (AR_SREV_9485(ah)) {
+		antconf->lna1_lna2_delta = -9;
+		antconf->div_group = 2;
+	} else {
+		antconf->lna1_lna2_delta = -3;
+		antconf->div_group = 0;
+	}
 }
 
 static void ar9003_hw_antdiv_comb_conf_set(struct ath_hw *ah,
@@ -1381,3 +1408,25 @@ void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah)
 		"==== BB update: done ====\n\n");
 }
 EXPORT_SYMBOL(ar9003_hw_bb_watchdog_dbg_info);
+
+void ar9003_hw_disable_phy_restart(struct ath_hw *ah)
+{
+	u32 val;
+
+	/* While receiving unsupported rate frame rx state machine
+	 * gets into a state 0xb and if phy_restart happens in that
+	 * state, BB would go hang. If RXSM is in 0xb state after
+	 * first bb panic, ensure to disable the phy_restart.
+	 */
+	if (!((MS(ah->bb_watchdog_last_status,
+		  AR_PHY_WATCHDOG_RX_OFDM_SM) == 0xb) ||
+	    ah->bb_hang_rx_ofdm))
+		return;
+
+	ah->bb_hang_rx_ofdm = true;
+	val = REG_READ(ah, AR_PHY_RESTART);
+	val &= ~AR_PHY_RESTART_ENA;
+
+	REG_WRITE(ah, AR_PHY_RESTART, val);
+}
+EXPORT_SYMBOL(ar9003_hw_disable_phy_restart);